Replacement of existing building lighting and underwater spotlights with LED fixtures, supply and connection of low-temperature HVAC heat exchangers, supply and installation of an outdoor pool cover, instrumentation, control and automation for the outdoor pool and indoor pool, replacement of pumps, including pipework modifications, with high-efficiency pumps and variable frequency drives, retrofit of IDM for reduced circulation capacity in the indoor pool, refurbishment of the outdoor pool filtration system, new control station for pool water treatment, supply and installation of new energy-efficient supply and extract air units, supply and installation of heat pumps, retrofit of door contact switches to shut off the sauna heaters
